/* Nav Bar */
.navbar-custom {
    transition: all 0.5s ease;
    padding: 1.5rem 1rem;
}

.navbar-custom.scrolled {
    background-color: rgba(255, 255, 255, 0.9) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 1rem 1rem;
    backdrop-filter: blur(10px);
}

.navbar-brand .main-title {
    font-family: serif;
    font-size: 1.5rem;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.navbar-brand .sub-title {
    font-size: 0.7rem;
    letter-spacing: 2px;
    display: block;
    text-align: center;
}

.book-btn {
    border-radius: 50px;
    padding: 0.4rem 1rem;
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 2px;
    border: 1px solid currentColor;
}